Learning about Motte and Bailey

 Today I learned about the Motte and Bailey fallacy. Interesting stuff -- and all too common, it seems.

The reference that first piqued my interest was at Instapundit, where Glenn Reynolds got it from the Facebook page maintained by Mr. Phil Magness. 

So then I went to Wikipedia, which admittedly can be sketchy, but the entry for Motte and Bailey there was helpful.

And yes, this illustration makes sense:

I feel edumacated! And Bookform the Essayist has a long-form but fascinating explanation about why this matters, as does science fiction author John C. Wright, who comes at critical race theory from a decidedly different angle.